{{ define "main" }}
<div class="jumbotron">
  <h1 class="display-4">{{ .title }}</h1>
  <p class="lead">{{ .message }}</p>
  <hr class="my-4">
  <p>Return to the last location</p>
  <a class="btn btn-primary btn-lg" href="{{ .back }}" role="button">Back</a>
</div>
{{ end }}